Metal Structured Packing/Metallic Structured Tower Packing

1. 37 years professional experience of Metal Structured Packing 2.Metallic Structured Packing for distillation/cooling tower,

Metal structured packing detail:

 

Metallic Structured Packing is typically to improve contact between two phases in a chemical or similar process. It can be used in a chemical reactor, a distillation process, or a scrubber.

 

The metallic structured packing refers to a range of specially designed materials for use in absorption and distillation columns and chemical reactors.

 

Structured packings typically consist of thin corrugated metal plates or gauzes arranged in a way that they force fluids to take complicated paths through the column, thereby creating a large surface area for contact between different phases.

 

MECHANISM:

The principle of structured packing operation is based on having a large number of obstacles intercepting entrained droplets in a vapour flow.Structured columns packing consist of metal wire mesh with corrugated sheets which are aligned and placed vertically.

 

The wire structure slopes are reversed in other sheets stacked with alternating 90 degree orientation of each layer resulting in inclined flow passages and a relatively high surface area.

 

This arrangement allows thin liquid films to be continuously spread across the tower as liquid flows through the packing. Capillary action and high surface areas result in maximum exposure to high mass transfer efficiency.

 

Characteristic Indexes of Metallic Structured Packings

Name	Type	Surface aream2/m3	Void fraction%	Bulk densitykg/m3	Wave heightmm	Ntm-1	PPa/m	Max.F-factorm/s.(kg/m3)0.5
Perforatedcorrugated  plate	125	125	98	85-100	25.4	1-2	150	3
	250	250	97	170-200	12.5	2--3	200	2.6
	350	350	94	240-280	9	2.0-2.5	300	2.0
	500	500	92	360-400	6.3	4-5	180	1.8
Pricked &   corrugated  plate	700Y	700	85	240-280	4.5	5.0-7.0	900	1.6
	500Y	500	93	170-200	6.3	3.0-4.0	200	2.1
	250Y	250	97	85-100	12.5	2.5-3.0	300	2.6
Corrugated plate gauze	SW-1	650	91.6	140	4.5	6-8	260-460	1.4-2.2
	SW-2	450	95.5	360	6.5	4-5	220-240	1.6-1.8
Corrugatedwire gauze	250(AX)	250	97	70	12.5	2.5-3.0	25-120	2.5-3.5
	500(BX)	500	95	140	6.3	4-5	200	2.0-2.4
	700(CY)	700	87	180	4.5	8-10	670	1.5-2.0

 

 APPLICATION:

Mass transfer of temperature sensitive chemical productsProper lateral distribution of liquids and gasesSolvent recoveryBatch and continuous distillationLow liquid loading systemsProviding highest theoretical stages per meter of packing heightReducing liquid hold upEconomizing operating loads of vessels

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Metal Structured Packing/Metallic Structured Tower Packing